libstdc++: Define std::__is_constant_evaluated() for internal use

[thirdparty/gcc.git] / libstdc++-v3 / include / bits / basic_string.tcc

diff --git a/libstdc++-v3/include/bits/basic_string.tcc b/libstdc++-v3/include/bits/basic_string.tcc
index 6f619a08f707784a5db569dc13eece58b944fcac..4a2d48c48e82cf71d159088edf37a7cc736914b4 100644 (file)
--- a/libstdc++-v3/include/bits/basic_string.tcc
+++ b/libstdc++-v3/include/bits/basic_string.tcc
@@ -488,7 +488,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
          const size_type __how_much = __old_size - __pos - __len1;
 #if __cpp_lib_is_constant_evaluated
-         if (__builtin_is_constant_evaluated())
+         if (std::is_constant_evaluated())
            {
              auto __newp = _Alloc_traits::allocate(_M_get_allocator(),
                                                    __new_size);
@@ -571,7 +571,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
          __p = _M_create(__n, __capacity);
          this->_S_copy(__p, _M_data(), length()); // exclude trailing null
 #if __cpp_lib_is_constant_evaluated
-         if (__builtin_is_constant_evaluated())
+         if (std::is_constant_evaluated())
            traits_type::assign(__p + length(), __n - length(), _CharT());
 #endif
          _M_dispose();